Ollny Led String Lights 100 LED 33ft Fairy Twinkle Christmas Tree Curtain Lights USB Powered with Remote 16 Color Changing 4 Lighting Modes for Bedroom Indoor Outdoor Wall Wedding Party Decorations

More detail of those color changing fairy lights? Low Voltage and Safety The insulated silver wires and led bulbs are made of expensive materials and tested by rigorous,high standards, low working voltage durable power supply makes sure the safety for adults and kids.It's never get overheat for a long time using. Waterproof for Outdoor Decoration Those led string Lights have been tested and certified as IP65 Professional waterproof,ideal for garden decorations, patio décor and outdoor lighting. Work properly in cold winter or raining day.